C++青蛙吃虫

#include"frog.h" #include<string.h> float fWeight; char acColor[10]; char *pColor; void CFrog::Jump() { } void CFrog::Eat() { } void CFrog::Digest() { } void CFrog::setWeight(float weight) { fWeight=weight; } void CFrog::setcolor(char *color) { //strcpy(acColor,color); delete []pColor; pColor=new char [strlen(color)+1]; memset(pColor,0,strlen(color)+1); strcpy(pColor,color); } void CFrog::print() { // printf("重量=%f,颜色=%s\n",fWeight,acColor);//用的是类中已初始化的变量fWeight，acColor printf("重量=%f,颜色=%s,%p\n",fWeight,pColor,pColor);//用的是类中已初始化的变量fWeight，acColor } //数据成员初始化,带参数的构造函数 CFrog::CFrog(float weight,char *color) { fWeight=weight; // strcpy(acColor,color); pColor=new char [strlen(color)+1]; memset(pColor,0,strlen(color)+1); strcpy(pColor,color); printf("调用了 普通 构造函数!\n"); } //重载一个不带参数的构造函数 CFrog::CFrog() { fWeight=0; pColor=new char [strlen("")+1]; memset(pColor,0,strlen("")+1); strcpy(pColor,""); // strcpy(acColor," "); printf("调用了 默认 构造函数!\n"); } CFrog::CFrog(CFrog &frog)//深拷贝，不仅是数据成员的复制，还要指针开辟空间，复制 { fWeight=frog.fWeight; pColor=new char [strlen(frog.pColor)+1]; memset(pColor,0,strlen(frog.pColor)+1); strcpy(pColor,frog.pColor); printf("调用了 拷贝 构造函数!\n"); } //自己做一个与等号重载类似功能的函数作为替代 void CFrog::copy(CFrog &frog) { fWeight=frog.fWeight; delete []pColor; pColor=new char[strlen(frog.pColor)+1]; memset(pColor,0,strlen(frog.pColor)+1); strcpy(pColor,frog.pColor); }